Sure! Here's an example of a simple Tetris game implemented as a single HTML file using JavaScript and enclosed in script tags:
This is a basic implementation of the Tetris game using HTML5 canvas and JavaScript. It sets up the game board, creates the functions to draw the squares and the board, and initializes the game by calling the `drawBoard()` function. This is just a starting point, and you can continue adding the game logic, shapes, controls, and scoring functionality to complete the game.